He uploaded the video to YouTube showing his chemistry teacher using the contraption. Hawkins built and designed the entire thing himself, programmed the control panel, installed the device, and stocked it with soft drink.

He uploaded the instructions to Instractubles, saying he was inspired to build it because of unused space in lockers due to the use of digital books. The idea spawned after he had a conversation with a friend and sketched up the original design.

He measured the dimensions of the locker and worked on it during summer break.

The first sale?

To his girlfriend who pulled out a drink can with the word 'Prom?' taped around it.